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Diffstat (limited to 'src/mainboard/google/dedede/mainboard.c')
-rw-r--r--src/mainboard/google/dedede/mainboard.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/src/mainboard/google/dedede/mainboard.c b/src/mainboard/google/dedede/mainboard.c
index c503a86a6e..fe89527e5a 100644
--- a/src/mainboard/google/dedede/mainboard.c
+++ b/src/mainboard/google/dedede/mainboard.c
@@ -1,11 +1,25 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
#include <acpi/acpi.h>
+#include <bootstate.h>
#include <baseboard/variants.h>
#include <device/device.h>
#include <ec/ec.h>
#include <vendorcode/google/chromeos/chromeos.h>
+__weak void variant_isst_override(void)
+{
+ /*
+ * Implement the override only if the board uses very early/initial revisions of
+ * Silicon. Otherwise nothing to override.
+ */
+}
+
+static void mainboard_config_isst(void *unused)
+{
+ variant_isst_override();
+}
+
static void mainboard_init(void *chip_info)
{
const struct pad_config *pads;
@@ -37,3 +51,6 @@ struct chip_operations mainboard_ops = {
.init = mainboard_init,
.enable_dev = mainboard_enable,
};
+
+/* Configure ISST before CPU initialization */
+BOOT_STATE_INIT_ENTRY(BS_PRE_DEVICE, BS_ON_ENTRY, mainboard_config_isst, NULL);